agreement cancellation

ALE OF PROPERTY I HAVE THE DOUBTS, PLEASE CLARIFY. 1) �I SOLD MY PROPERTY TO BUYER IN FEB 2012 WITHIN TIME LIMIT THEY HAVE NOT REGISTERED THE PROPERTY. ONLY UN REGISTEREDAGREEMENT MADE, LIKE THAT IT IS EXTENDED AFTER LAPSING MORE THEN 6 AGREEMENT. 2) FINAL AGREEMENT MADE ON JUNE 12 2013 IN . TOTAL SALE VALUE 125 LACS. FOR WHICH (FROM FIRST AGREEMENT �TO TILL DATE OF 20/12/2013/ PART BY PART �PAID BY THE PARTY TO ME RS100 LACS) AGREEMENT �STAMP PAPER MENTIONED ONLY 93 LACS. CONDITION WITHIN ONE MONTH FROM AGREEMENT THAT IS FROM JUNE 12-2013. BACK SIDE OF THE AGREEMENT I SIGNED FOR BALANCE RS 7 LACS. TOTAL 100 LACS.. ALL AGREEMENT IN RS.20 STAMP PAPER. � 3)NOW BUYER NOT TURNED TO ME �FOR REGISTRATION. MY BALANCE PAYMENT ALSO NOT RECVD POSSISSION I HOLDING AND RECVD PAYMENT 93 PLUS 7 LACS. TOTAL THEY PAID 100 LACS. NOW �OTHER PARTY INTERESTED FOR PURCHASING. IF HAPPEND I CAN REPAY THEIR AMOUNT AFTER SELLING THE SAME. NOW HOW CAN I SALE THE NEW BUYER, BECAUSE MORE THEN 2 YEARS I WAITED. NOW PRICE ALSO GONE UP.WHAT IS THE LEGAL PROCEDURE I HV TO FOLLOWUP.... � � Your Reply :